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New study solves old climate mystery about ecosystems’ nutrient limitation

Forest and sky. Photo. The ability of global ecosystems to absorb carbon dioxide is regulated to a large extent by the nutrients nitrogen and phosphorus. With lower plant access to these nutrients, greater volumes of carbon dioxide stays in the atmosphere, instead of being absorbed by forests and other ecosystems. A new study has now charted the global patterns of this nitrogen and phosphorus limitation.

Lund University receives SEK 100 million to coordinate major polar research project

Research equipment in landscape. Photo. It has now been confirmed that Lund University will receive SEK 100 million from the EU to coordinate the international research project Interact for another four years. Among other things, the funding is to be used to send more polar researchers to the Arctic, make data available using artificial intelligence and reduce the research stations’ climate impact.

Immune systems not prepared for climate change

Researcher in laboratory. Photo. Researchers have for the first time found a connection between the immune systems of different bird species, and the various climatic conditions in which they live. The researchers at Lund University in Sweden believe that as the climate changes, some birds may be exposed to diseases that they are not equipped to handle.

Dinosaur expert and planet formation guru are new honorary doctors of science

Portrait of Mary Higby Schweitzer and Thomas Henning. Photo. Two top international researchers have been named honorary doctors at Lund University’s Faculty of Science. Mary Higby Schweitzer achieved cult status with her fossil finds, including from a pregnant Tyrannosaurus rex female. Through advanced observations, astronomer Thomas Henning gave the world an increased understanding of how stars and planets are formed.

Falcons see prey at speed of Formula 1 car

Bird in room. Photo. Extremely acute vision and the ability to rapidly process different visual impressions – these two factors are crucial when a peregrine falcon bears down on its prey at a speed that easily matches that of a Formula 1 racing car: over 350 kilometres per hour.

Plant-eating insects disrupt ecosystems and contribute to climate change

Insect in the forrest. Photo. A new study from Lund University in Sweden shows that plant-eating insects affect forest ecosystems considerably more than previously thought. Among other things, the insects are a factor in the leaching of nutrients from soil and increased emissions of carbon dioxide. The researchers also establish that the temperature may rise as a result of an increase in the amount of plant-eating insects in some regions.

Unique data confirms why water turns brown

A river surrounded by forrest. Photo. By analysing almost daily water samples taken from the same river from 1940 until today, researchers at Lund University in Sweden have confirmed their hypothesis that the browning of lakes is primarily due to the increase in coniferous forests, as well as rainfall and sulphur deposits.

The use of certain neonicotinoids could benefit bumblebees, new study finds

Bumblebee on pink flower. Photo. Not all neonicotinoid insecticides have negative effects on bees, according to researchers at Lund University and the Swedish University of Agricultural Sciences. Their new study indicates that the use of certain neonicotinoids could benefit bumblebees and pollination.

Record-size sex chromosome found in two bird species

Bird on the ground. Photo. Researchers in Sweden and the UK have discovered the largest known avian sex chromosome. The giant chromosome was created when four chromosomes fused together into one, and has been found in two species of lark.

Iron-based solar cells on track to becoming more efficient

Researcher in laboratory. Photo. An international study led from Lund University in Sweden shows that 30 per cent of the energy in a certain type of light-absorbing iron molecule disappears in a previously unknown manner. By closing this loophole, the researchers hope to contribute to the development of more efficient solar cells using this iron-based solar cell.